Explosion instantanée de feux d'artfice

package fr.src.fireworks;

import java.util.Random;

import org.bukkit.Bukkit;
import org.bukkit.Color;
import org.bukkit.FireworkEffect;
import org.bukkit.Location;
import org.bukkit.block.Block;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.Listener;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.java.JavaPlugin;

public class Main extends JavaPlugin implements Listener{

    /*Merci à recon88
    *https://github.com/recon88/Instant-Fireworks/blob/master/src/CustomEntityFirework.java
    */
    public void onEnable()
    {
        PluginManager pm = Bukkit.getServer().getPluginManager();
        pm.registerEvents(this, this);
    }

    public void onDisable()
    {

    }

    public void FireworksLauncher(Player Launcher, Location a, Color MainClor, Color FadeColor, int Type)
    {
        FireworkEffect.Type Types[] = {FireworkEffect.Type.BALL, // 0
                                       FireworkEffect.Type.BALL_LARGE, // 1
                                       FireworkEffect.Type.BURST, // 2
                                       FireworkEffect.Type.CREEPER, // 3
                                       FireworkEffect.Type.STAR}; // 4

        FireworkEffect.Type FireworksTypes = Types[Type];

        FireworkEffect.Builder builder = FireworkEffect.builder();
        FireworkEffect effect = builder.flicker(false).trail(false).with(FireworksTypes).withColor(MainClor).withFade(FadeColor).build();
        CustomEntityFirework.spawn(a, effect, Launcher);

    }

    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args)
    {
        Player p = (Player) sender;

        if(cmd.getName().equalsIgnoreCase("launch"))
        {
            @SuppressWarnings("deprecation")
            Block b = p.getTargetBlock(null, 250);
            Location Block_Location = b.getLocation();

            FireworksLauncher(p, Block_Location, Color.RED, Color.ORANGE, new Random().nextInt(4));

        }


        return true;
    }

}